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- From: ntaib@silver.ucs.indiana.edu (Iskandar Taib)
- Subject: Re: What is a ferite bead?
- Message-ID: <C0HuEE.DAH@usenet.ucs.indiana.edu>
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- Organization: Indiana University
- References: <1993Jan6.205946.10039@aio.jsc.nasa.gov> <1993Jan7.010850.4044@sequent.com>
- Date: Thu, 7 Jan 1993 17:10:59 GMT
- Lines: 29
-
- In article <1993Jan7.010850.4044@sequent.com> patch@sequent.com (Pat Chewning) writes:
- >In article <1993Jan6.205946.10039@aio.jsc.nasa.gov> careyb@dallas.jsc.nasa.gov (Brian Carey 283-4181) writes:
-
- >A ferite bead is a donut shaped bead made from ferite. Ferite is a compound
- >of iron and carbon (FeC3 I think). When wires are wound around the ferite
- >bead (through the center, around outside, and back through center), the bead
- >increases the inductance of the wire and is used to supress higher
- >frequencies on the wire. In this example the ferite bead is being used as
- >an RF choke to reduce the RF noise generated and received on the servo
- >leads.
-
- Hmm.. I thought it was simply sintered iron. Interesting to find out
- what this stuff is after all this while.
-
- >I obtained my ferite beads at Norvak Electronics, a local electronic parts
- >store. They might be available from Radio Shack and other electronic part
- >stores.
-
- How big do these get? I need a toroid about an inch and a half in
- diameter to make an inductor for a power panel I am building.
-
-
-
-
- --
- -------------------------------------------------------------------------------
- Iskandar Taib | The only thing worse than Peach ala
- Internet: NTAIB@SILVER.UCS.INDIANA.EDU | Frog is Frog ala Peach
- Bitnet: NTAIB@IUBACS !
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